Background: environmental factors may play a role in colon cancer. In this view, several studies investigated tumor samples for the presence of various viral DNA with conflictiong results.  The purpose of this study is to investigate the prevalence of Human papillomaviruses (HPVs) and Epstein–Barr virus (EBV) in patients with colorectal carcinomas. Materials and methods: In this  study, we co...

Background and objective:  Oral tongue Squamous Cell carcinoma (SCC) commonly involves males between the sixth to eighth decades of life. Major risk factors are tobacco usage and alcohol consumption. The increasing number of patients developing oral tongue cancer without these well-known risk factors suggests that a viral infection, such as Human Papil...

Human papilloma virus (HPV) is considered as the main sexually transmitted etiological agent for the cause and progression of preneoplastic cervical lesions to cervical cancer. This study is discussing the prevalence of HPV and its genotypes in cervical lesions and invasive cervical cancer tissues and their association with various risk factors in women from Varanasi and its adjoining areas in ...

conclusions the results showed remarkable rates of high-risk hpv types (16 and 18) in the studied population, which can be a serious alert for public health. this result highlights the potential impact of prophylactic vaccines for future protection against high-risk hpv types in iranian women. materials and methods this cross-sectional population-based study consisted of two groups of women: no...

Objective Background: Human papillomavirus (HPV) is a DNA virus that causes sexually transmitted infection (STI). Recent reports have suggested that HPV may affect sperm parameters and lead to male infertility. This study is aimed to evaluate the correlation between seminal high-risk HPV infection and impairment of sperm quality in Iranian infertile men. MaterialsAndMethods Materials and Method...

background: fanconi anemia (fa) is an autosomal recessive disorder characterized by congenital malformations, bone marrow failure, development of squamous cell carcinoma (scc), and other cancers. human papillomavirus (hpv) in the oral cavity or oropharynx has been associated with an increased risk of laryngeal papillomatosis, invasive squamous cell carcinoma of the head and neck (hnscc) and cer...

abstract background: cancers are the second most common cause of non-accidental deaths in iran, after cardiovascular mortality. although most cases of esophageal squamous cell carcinoma (escc) in the usa and western populations have been attributed to high levels of exposure to tobacco and alcohol, but in iranian populations the other risk factors especially infectious agents have been postulat...

Aim: Head and Neck Squamous Cell Carcinoma (HNSCC) is a global health problem whose incidence varies by geographic region race according to risk factors. Human papillomavirus (HPV) infection significant factor for HNSCC. HPV-16 HPV-18 are two forms of HPV that carcinogenic. HNSCCs positive have better prognosis rather than negative. The purpose this research was characterize HPV-16, -18 variati...

background: carcinomas of esophagus, mostly squamous cell carcinomas, occur throughout the world. there are a number of suspected genetic or environmental etiologies. human papilloma virus (hpv) is said to be a major etiology in areas with high incidence of esophageal carcinoma, while it is hardly detectable in low incidence regions. this study was designed to evaluate the prevalence of hpv in ...